CN100523856C - Electronic component simulated fixture and power supply abnormity detection method - Google Patents
Electronic component simulated fixture and power supply abnormity detection method Download PDFInfo
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- CN100523856C CN100523856C CN 200610135532 CN200610135532A CN100523856C CN 100523856 C CN100523856 C CN 100523856C CN 200610135532 CN200610135532 CN 200610135532 CN 200610135532 A CN200610135532 A CN 200610135532A CN 100523856 C CN100523856 C CN 100523856C
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Abstract
The fixture has a second electric connection unit group corresponding to a first electric connection unit group, and respectively corresponding to the first, second and multi third electric connection units and having fourth, fifth and multi sixth electric connection unit. The method comprises: in the first, locating the fixture on the first electric connection group; using a voltage detector to read the voltage of the second electric connection unit group and fourth electric connection group of the fixture after powering on the circuit board; continuously comparing the voltage value read by the by voltage detector with the normal voltage value of the electronic component to decide if the power supply of the first electric connection unit is normal.
Description
Technical field
The present invention relates to a kind of simulated fixture and power supply abnormity detection method of electronic component, more detailed and it, relate to a kind of have in order to electrically connect first of electronic component electrically connect the unit group and, handle and adjust the required power source voltage adjustment module of this electronic component (Voltage Regulator Module in order to be electrically connected at this at this electronic component first when electrically connecting the unit group; The simulated fixture of the electronic component on the circuit board VRM) and power supply abnormity detection method.
Background technology
In the test process of circuit board, be example with the Central Processing Unit on this circuit board (CPU), it must be arranged on the functional test of carrying out circuit board on this circuit board on the corresponding bearing (socket).
But, the functional test mode of foregoing circuit plate often because of on the circuit board with the electrical specification of the electronic component of this CPU (central processing unit) electric property annexation bad (as breaking down or situation such as damage), the power supply that then can correspondingly cause supplying with this CPU (central processing unit) produces unusual situation, and then the situation that causes this CPU (central processing unit) to damage, far and away, if directly the functional test of carrying out this circuit board with the solid element of expensive Central Processing Unit can cause unnecessary cost waste in fact.
Therefore, how to provide a kind of before the functional test of carrying out circuit board, to carry out the technology of abnormality detection on this circuit board in order to the power supply of supplying with CPU (central processing unit), take place to avoid above-mentioned situation earlier, real is problem demanding prompt solution in this area.
Summary of the invention
In view of above-mentioned prior art problems, fundamental purpose of the present invention is to provide a kind of simulated fixture and power supply abnormity detection method of electronic component, with before the functional test of carrying out circuit board, earlier to carrying out abnormality detection in order to the power supply of supplying with electronic component on this circuit board.
Another object of the present invention is to provide a kind of simulated fixture and power supply abnormity detection method of electronic component, to save the cost when carrying out the functional test of circuit board.
For reaching above-mentioned fundamental purpose and another purpose, the simulated fixture of electronic component provided by the present invention, be applied to have in order to electrically connect first of electronic component and electrically connect the unit group and, handle and adjust the required power source voltage adjustment module of this electronic component (Voltage Regulator Module in order to be electrically connected at this at this electronic component first when electrically connecting the unit group; VRM) on the circuit board, wherein, this first electrically connects to have in unit group in order to what this electronic component was powered and first electrically connects the unit, uses and whether be electrically connected at this for this electronic component of identification and first electrically connect second on unit group and electrically connect unit and a plurality of in order to as voltage identification sign (Voltage IDentification; VID) the 3rd electric connection unit; The simulated fixture of this electronic component comprises: the tool body, have should first electrically connecting the unit group and respectively to should first electrically connecting the unit, the second electric connection unit and a plurality of the 3rd electrically connects the unit and is provided with the 4th electric connection unit, the 5th electrically connects the second electric connection unit group that unit and a plurality of the 6th electrically connects the unit, in order to be arranged on this first electric connection unit group by this second electric connection unit group correspondence, and electrically connect unit and a plurality of the 6th by the 5th and electrically connect the unit and second electrically connect the electric connection that unit and a plurality of the 3rd electrically connects unit with this respectively, simulation has been electrically connected on this first electric connection unit group at this electronic component, and this pairing voltage identification sign in a plurality of the 3rd electric connection unit of order is set to and this Voltage Regulator Module corresponding state under normal mode of operation.
Wherein, this electronic component is CPU (central processing unit) (Central Processor Unit; CPU); These first a plurality of jacks that electrically connect on the bearing (socket) that unit group be this CPU (central processing unit), and this second electric connection unit group is a plurality of pins to a plurality of jacks on should the bearing of CPU (central processing unit); The 5th electric connection unit passes through the mode of ground connection in advance, and with when electrically connecting with this second electric connection unit, simulation has been electrically connected on this first electric connection unit group at this electronic component; These a plurality of the 6th electric connection unit pass through the mode of ground connection in advance, with when electrically connecting, make this pairing voltage identification sign in a plurality of the 3rd electric connection unit be set to and this Voltage Regulator Module corresponding state under normal mode of operation with these a plurality of the 3rd electric connection unit.
Reach above-mentioned fundamental purpose and another purpose, power supply abnormity detection method provided by the present invention, the simulated fixture of utilization aforementioned electronic element is carried out, and it may further comprise the steps: the simulated fixture correspondence of this electronic component is arranged on this first electric connection unit group; Read after the energising of this circuit board by a voltage measurement instrument this electronic component simulated fixture second electrically connect the voltage that the 4th of unit group electrically connects the unit; And the relatively magnitude of voltage that read of this voltage measurement instrument and the normal working voltage value of this electronic component, whether first to electrically connect the power supply of unit group unusual thereby can detect this.
Wherein, this voltage table is that voltage table, oscillograph and avometer are wherein a kind of; This electronic component is a CPU (central processing unit); This power supply abnormity detection method, also be included in the step of output information when comparing magnitude of voltage that this voltage measurement instrument read, and wherein a kind of side of showing with screen demonstration, auditory tone cues and cresset of this information system shows and is exported greater than the normal working voltage value of this electronic component.
Than prior art, the simulated fixture of electronic component of the present invention and power supply abnormity detection method, mainly be arranged on this first electric connection unit group by simulated fixture with this electronic component, be electrically connected on this first electric connection unit group at this electronic component with simulation, and make this pairing voltage identification sign in a plurality of the 3rd electric connection unit be set to and this Voltage Regulator Module corresponding state under normal mode of operation, second of the simulated fixture that reads this electronic component after the energising of this circuit board that continues electrically connects the voltage that the 4th of unit group electrically connects the unit, and the normal working voltage value of this magnitude of voltage and this electronic component relatively, whether first to electrically connect the power supply of unit group unusual thereby can detect this.Thus, by the present invention, the user can be before the functional test of carrying out circuit board, earlier to carrying out abnormality detection in order to the power supply of supplying with electronic component on this circuit board, to save when carrying out the functional test of circuit board because of the spent cost of the damage of electronic component.
Description of drawings
Fig. 1 is the simulated fixture of electronic component of the present invention and the embodiment stereoscopic synoptic diagram of applied circuit board thereof;
Fig. 2 be the Voltage Regulator Module of electronic component correspondence among the embodiment of simulated fixture of electronic component of the present invention under normal mode of operation operating voltage VCORE and the mapping table between voltage identification sign VID0 to VID4; And
Fig. 3 is the operation workflow synoptic diagram of the embodiment of power supply abnormity detection method of the present invention.
The main element symbol description
The simulated fixture of 1 electronic component
10 tool bodies
11 second electrically connect the unit group
2 circuit boards
20 first electrically connect the unit group
S30 to S32 step
Embodiment
Below by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the content that this instructions disclosed.The present invention also can be implemented or be used by other different instantiations, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications and change under the spirit of the present invention not deviating from.
See also Fig. 1, Fig. 1 is the simulated fixture of electronic component of the present invention and the embodiment stereoscopic synoptic diagram of applied circuit board thereof, as shown in the figure, the simulated fixture 1 of this electronic component, be applied to have in order to electrically connect first of electronic component and electrically connect unit group 20 and, handle and adjust the required power source voltage adjustment module of this electronic component (Voltage Regulator Module in order to be electrically connected at this at this electronic component first when electrically connecting unit group 20; VRM) on the circuit board 2 that (does not give diagram), wherein, this first electrically connects to have in unit group 20 in order to what this electronic component was powered and first electrically connects the unit, uses and whether be electrically connected at this for this electronic component of identification and first electrically connect second on unit group 20 and electrically connect unit, a plurality of in order to as voltage identification sign (Voltage IDentification; VID) the 3rd electric connection unit and a plurality of using for the 7th of this electronic component ground connection electrically connect the unit; Need give annotatedly be, this first electric connection unit group 20 comprises that not only aforementioned four kinds of disclosing electrically connect unit, the electric connection unit that also comprises other tool respective action, and aforementioned four kinds of electric connection unit that disclose only are for cooperating the relative of explanation technology contents of the present invention.
In the present embodiment, this electronic component is for having Central Processing Unit (the Central Processor Unit of 940 pins (pin); CPU), and this electronic component normal working voltage is 1.4V, also see also Fig. 2, Fig. 2 be the Voltage Regulator Module of this electronic component correspondence under normal mode of operation operating voltage VCORE and the mapping table between voltage identification sign VID0 to VID4, as shown in the figure, can learn, when this electronic component normal working voltage (being 1.4V) down during operate as normal the level of this voltage identification sign VID0 to VID4 be respectively " 01100 ", need give annotatedly be, the parameter of the CPU (central processing unit) in this mapping table and numerical value thereof in order to the example explanation as present embodiment, are not in order to limit the enforceable mode of this CPU (central processing unit) only.
Correspondingly, in the present embodiment, this circuit board 2 is motherboard (M/B), and the electric connection of first on this circuit board 2 unit group 20 is to a plurality of jacks on the bearing (socket) of this CPU (central processing unit) (having 940 jacks at least); This first electrically connects in unit group 20 in order to what this electronic component was powered and first electrically connects the unit for to jack that should VCORE (operating voltage); Using in this first electric connection unit group 20 and whether being electrically connected at this first second electric connection unit that electrically connects on unit group 20 for this electronic component of identification is when this circuit board 2 is switched on, and judges for the data processing equipment (as computer) that this circuit board 2 is carried whether this CPU (central processing unit) has been plugged on the pairing jack of pin of the bearing on this circuit board 2; First to electrically connect a plurality of in unit group 20 be to jack that should voltage identification sign VID0 to VID4 in order to electrically connect the unit as the 3rd of voltage identification sign for this; This first electrically connect in unit group 20 a plurality of use for the 7th of this electronic component ground connection electrically connect the unit on should CPU (central processing unit) in order to a plurality of jacks of a plurality of pins of ground connection.
The simulated fixture 1 of this electronic component comprises: tool body 10.This tool body 10, have and electrically connect unit group 11, and this second electrically connects unit group 11 and electrically connect unit, a plurality of the 3rd and electrically connect unit and a plurality of the 7th and electrically connect the unit and be provided with the 4th and electrically connect unit, the 5th and electrically connect unit, a plurality of the 6th and electrically connect unit and a plurality of the 8th and electrically connect the unit should first electrically connecting unit, second respectively should first electrically connecting second of unit group 20; This tool body 10 is in order to be arranged on this first electric connection unit group 20 by these second electric connection unit group 11 correspondences, and electrically connect unit and a plurality of the 6th by the 5th and electrically connect the unit and second electrically connect the electric connection that unit and a plurality of the 3rd electrically connects unit with this respectively, simulation has been electrically connected on this first electric connection unit group 20 at this electronic component, and this pairing voltage identification sign in a plurality of the 3rd electric connection unit has been set to and this Voltage Regulator Module corresponding state under normal mode of operation.
In the present embodiment, the 5th electrically connects the unit passes through the mode of ground connection in advance, with when electrically connecting with this second electric connection unit, simulation has been electrically connected on this first electric connection unit group 20 at this electronic component, promptly, before second electric connection unit group 11 correspondences with this tool body 10 are arranged on the electric connection of first on this circuit board 2 unit group 20, electrically connect unit and a plurality of the 8th with the 5th earlier and electrically connect the electric connection of one of unit (during enforcement, can electrically connect in these many 8th electric connection unit and electrically connect immediate one of unit) with the 5th, with after second electric connection unit group 11 correspondences with this tool body 10 are arranged on the electric connection of first on this circuit board 2 unit group 20, can electrically connect the electric connection that unit and the 7th electrically connects unit (using for this electronic component ground connection person) by the 8th, corresponding the 5th electric connection unit that makes has been ground state, and the level that this ground state presented is " 0 ", in other words, this kind ground state can make data processing equipment that this circuit board 2 carried when start, can judge that this electronic component has been electrically connected at this first second electric connection unit that electrically connects on the unit group 20, that is, this CPU (central processing unit) has been plugged on the bearing on this circuit board 2.
In the present embodiment, this pairing voltage identification sign in a plurality of the 3rd electric connection unit is set to be meant that at corresponding state under the normal mode of operation this pairing voltage identification sign in a plurality of the 3rd electric connection unit is set to and this Voltage Regulator Module corresponding level state under normal mode of operation with this Voltage Regulator Module, and this level state comprises high level and low level, and this a plurality of the 6th electrically connects unit by electrically connecting the mode that the 6th of unit electrically connects unit ground connection to should voltage identification being masked as the low level the 3rd in advance, with when electrically connecting, make this pairing voltage identification sign in a plurality of the 3rd electric connection unit be set to and this Voltage Regulator Module corresponding state under normal mode of operation with these a plurality of the 3rd electric connection unit.
Brought forward is described, known level as this electronic component this voltage identification sign VID0 to VID4 when normal working voltage (being 1.4V) is descended operate as normal is respectively " 01100 ", and this first to electrically connect a plurality of in unit group 20 be to jack that should voltage identification sign VID0 to VID4 in order to electrically connect the unit as the 3rd of voltage identification sign, relatively, these a plurality of the 6th electric connection unit comprise five pins of the jack of corresponding VID0 to VID4, and in these five pins level that should voltage identification sign VID0 to VID4 is set to " 01100 ", that is, wherein three the 6th electrically connect the essential ground connection in unit (to should a plurality of the 3rd electrically connecting in the unit as voltage identification sign VID0, three the 6th of VID3 and VID4 electrically connect the unit).
In other words, before second electric connection unit group 11 correspondences with this tool body 10 are arranged on the electric connection of first on this circuit board 2 unit group 20, electrically connect unit and a plurality of the 8th with these three the 6th earlier and electrically connect at least one electric connection of unit (during enforcement, can electrically connect this a plurality of the 8th electrically connect in unit with these three the 6th electrically connect the unit immediate one or electrically connect respectively should a plurality of the 8th electrically connect in unit and immediate three of these three the 6th electric connection unit), with after second electric connection unit group 11 correspondences with this tool body 10 are arranged on the electric connection of first on this circuit board 2 unit group 20, can electrically connect the electric connection that unit and the 7th electrically connects unit (using for this electronic component ground connection person) by the 8th, correspondingly make these three the 6th to electrically connect unit and be ground state, thereby at this a plurality of the 6th when electrically connecting unit and should a plurality of the 3rd electrically connecting unit and electrically connect, make this pairing voltage identification sign in a plurality of the 3rd electric connection unit be set to and this Voltage Regulator Module state accordingly under normal mode of operation.
In addition, be arranged on first on the circuit board 2 with correct orientation correspondence and electrically connect unit group 20 for making things convenient for the user can be successfully second of the simulated fixture 1 of this electronic component to be electrically connected unit group 11, can on the simulated fixture 1 of this electronic component and this circuit board 2, set up anti-single structure, and should prevent that the enforceable mode of single structure was numerous, and for can think easily and known technology, so this will not illustrate and not other its enforceable structure is elaborated.
As shown in Figure 3, Fig. 3 is the embodiment steps flow chart synoptic diagram of power supply abnormity detection method of the present invention, and this power supply abnormity detection method need use the simulated fixture of above-mentioned electronic component.As shown in the figure, this power supply abnormity detection method is execution in step S30 at first, the simulated fixture correspondence of this electronic component is arranged on this first electrically connects on unit group.In the present embodiment, this step is in order to be arranged on this first electric connection unit group by this second electric connection unit group correspondence, and second electrically connect the 5th in unit group and electrically connect unit and a plurality of the 6th and electrically connect the unit and first electrically connect second in unit group and electrically connect the electric connection that unit and a plurality of the 3rd electrically connects unit with this respectively by this, simulating this electronic component has been electrically connected on this first electric connection unit group, and make this pairing voltage identification sign in a plurality of the 3rd electric connection unit be set to and this Voltage Regulator Module corresponding state under normal mode of operation, detailed embodiment in this step is described herein in the simulated fixture of above-mentioned electronic component, is no longer given unnecessary details at this.Then proceed to step S31.
This step S31, read after the energising of this circuit board by a voltage measurement instrument this electronic component simulated fixture second electrically connect the voltage that the 4th of unit group electrically connects the unit.In the present embodiment, after mode by step S30 is provided with, the first electric connection unit that this alive circuit plate is satisfied by this first electric connection unit group powers to this second the 4th electric connection unit that electrically connects the unit group, the power supply of being supplied with this moment is equal to the power supply that this electronic component is electrically connected at institute's effective supply on this first electric connection unit group, so read by the voltage measurement instrument this electronic component simulated fixture second electrically connect the voltage that the 4th of unit group electrically connects the unit, can obtain actual first of this circuit board that is plugged on of this electronic component when electrically connecting the unit group, the voltage that is supplied to; And in that the voltage measurement instrument is actual by this when reading magnitude of voltage, must pass through to electrically connect the four electric connection unit of an end of a lead earlier to the second electric connection unit group of the simulated fixture of this electronic component, again the positive input of this voltage measurement instrument and the other end of this lead are electrically connected, at last with this negative input ground connection (during enforcement, can connect second of the simulated fixture of putting this electronic component electrically connects a plurality of the 8th of unit group and electrically connects in the unit one) can finish and carry out this voltage read step, wherein, this voltage measurement instrument is a voltage table, oscillograph or avometer etc.Then proceed to step S32.
This step S32, the relatively magnitude of voltage that read of this voltage measurement instrument and the normal working voltage value of this electronic component, whether first to electrically connect the power supply of unit group unusual thereby can detect this.In the present embodiment, brought forward is stated, this electronic component normal working voltage is 1.4V, therefore, under the perfect condition, the magnitude of voltage that this voltage measurement instrument reads gained should be 1.4V (not considering hardware influence and voltage measurement instrument equal error), and when this magnitude of voltage normal working voltage value (be 1.4V) corresponding with this electronic component differs big, promptly there is the situation of abnormal electrical power supply in this first electric connection unit group, at this moment, more can be when comparing magnitude of voltage that this voltage measurement instrument read normal working voltage value (or predeterminated voltage value of calculating according to permissible error) greater than this electronic component, show with screen, modes such as auditory tone cues or cresset demonstration are exported information, it is unusual to inform that this first power supply that electrically connects the unit group of tester occurs, thereby for the follow-up processing of carrying out this abnormal electrical power supply situation.
In sum, the simulated fixture of electronic component of the present invention is to having first, second and a plurality of the 3rd electrically connecting first of unit and electrically connect unit group setting and have the the 4th, the 5th and a plurality of the 6th and electrically connect second of unit and electrically connect the unit group, be electrically connected on this first electric connection unit group at this electronic component with simulation, and this pairing voltage identification sign in a plurality of the 3rd electric connection unit of order is set to and this Voltage Regulator Module corresponding state under normal mode of operation; And power supply abnormity detection method of the present invention to be simulated fixture correspondence at this electronic component be arranged on first on this circuit board electrically connect the unit group and switch on after, read by a voltage measurement instrument this electronic component simulated fixture second electrically connect the voltage that the 4th of unit group electrically connects the unit, the relatively magnitude of voltage that read of this voltage measurement instrument and the normal working voltage value of this electronic component at last, whether first to electrically connect the power supply of unit group unusual thereby can detect this.Thus, by the present invention, the user can be before the functional test of carrying out circuit board, earlier to carrying out abnormality detection in order to the power supply of supplying with electronic component on this circuit board, to save when carrying out the functional test of circuit board because of the spent cost of the damage of electronic component.
The foregoing description is illustrative principle of the present invention and effect thereof only, but not is used to limit the present invention.Any all can be under spirit of the present invention and category, the foregoing description is modified and is changed.Therefore, the scope of the present invention, claim is listed as described later.
Claims (14)
1. the simulated fixture of an electronic component, be applied to have in order to electrically connect first of electronic component and electrically connect the unit group and be used to this electronic component and be electrically connected at this first when electrically connecting the unit group, handle and adjust on the circuit board of the required power source voltage adjustment module of this electronic component, wherein, has the first electric connection unit in this first electric connection unit group in order to this electronic component is powered, use whether to be electrically connected at this for this electronic component of identification and first to electrically connect second on unit group and electrically connect unit and a plurality of in order to electrically connect the unit as the 3rd of voltage identification sign, the simulated fixture of this electronic component comprises:
The tool body, have should first electrically connecting the unit group and respectively to should first electrically connecting the unit, the second electric connection unit and a plurality of the 3rd electrically connects the unit and is provided with the 4th electric connection unit, the 5th electrically connects the second electric connection unit group that unit and a plurality of the 6th electrically connects the unit, in order to be arranged on this first electric connection unit group by this second electric connection unit group correspondence, and electrically connect unit and a plurality of the 6th by the 5th and electrically connect the unit and second electrically connect the electric connection that unit and a plurality of the 3rd electrically connects unit with this respectively, simulate this electronic component and be electrically connected on this first electric connection unit group, and this pairing voltage identification sign in a plurality of the 3rd electric connection unit of order is set to and this Voltage Regulator Module corresponding state under normal mode of operation.
2. the simulated fixture of electronic component according to claim 1, wherein, this electronic component is a CPU (central processing unit).
3. the simulated fixture of electronic component according to claim 2, wherein, these first a plurality of jacks that electrically connect on the bearing that unit group be this CPU (central processing unit), this second electric connection unit group are a plurality of pins to a plurality of jacks on should the bearing of CPU (central processing unit).
4. the simulated fixture of electronic component according to claim 1, wherein, this circuit board is a motherboard.
5. the simulated fixture of electronic component according to claim 1, wherein, the 5th electrically connects the unit passes through the mode of ground connection in advance, with when electrically connecting with this second electric connection unit, simulates this electronic component and has been electrically connected on this first electric connection unit group.
6. the simulated fixture of electronic component according to claim 1, wherein, this pairing voltage identification sign in a plurality of the 3rd electric connection unit is set to be meant that at corresponding state under the normal mode of operation this pairing voltage identification sign in a plurality of the 3rd electric connection unit is set to and this Voltage Regulator Module corresponding level state under normal mode of operation with this Voltage Regulator Module, and this level state comprises high level and low level.
7. the simulated fixture of electronic component according to claim 6, wherein, this a plurality of the 6th electrically connects unit by electrically connecting the mode that the 6th of unit electrically connects unit ground connection to should voltage identification being masked as the low level the 3rd in advance, with when electrically connecting, make this pairing voltage identification sign in a plurality of the 3rd electric connection unit be set to and this Voltage Regulator Module corresponding state under normal mode of operation with these a plurality of the 3rd electric connection unit.
A utilization according to the simulated fixture of the electronic component of claim 1 to carry out the power supply abnormity detection method that abnormal electrical power supply detects, be applied to have in order to electrically connect that first of electronic component electrically connects the unit group and in order to be electrically connected at this at this electronic component first when electrically connecting the unit group, handle and adjust on the circuit board of the required power source voltage adjustment module of this electronic component, wherein, has the first electric connection unit in this first electric connection unit group in order to this electronic component is powered, use whether to be electrically connected at this for this electronic component of identification and first to electrically connect second on unit group and electrically connect unit and a plurality of in order to electrically connect the unit as the 3rd of voltage identification sign, this power supply abnormity detection method may further comprise the steps:
The simulated fixture correspondence of this electronic component is arranged on this first electric connection unit group;
Read after the energising of this circuit board by a voltage measurement instrument this electronic component simulated fixture second electrically connect the voltage that the 4th of unit group electrically connects the unit; And
The relatively magnitude of voltage that read of this voltage measurement instrument and the normal working voltage value of this electronic component, whether first to electrically connect the power supply of unit group unusual thereby can detect this.
9. power supply abnormity detection method according to claim 8, wherein, this electronic component is a CPU (central processing unit).
10. power supply abnormity detection method according to claim 8, wherein, these first a plurality of jacks that electrically connect on the bearing that unit group be this CPU (central processing unit), this second electric connection unit group are a plurality of pins to a plurality of jacks on should the bearing of CPU (central processing unit).
11. power supply abnormity detection method according to claim 8, wherein, this circuit board is a motherboard.
12. power supply abnormity detection method according to claim 8, wherein, this voltage measurement instrument is that voltage table, oscillograph and avometer are wherein a kind of.
13. power supply abnormity detection method according to claim 8 also is included in the step of output information when comparing magnitude of voltage that this voltage measurement instrument read greater than the normal working voltage value of this electronic component.
14. power supply abnormity detection method according to claim 13, wherein, wherein a kind of side that this information shows with screen demonstration, auditory tone cues and cresset shows and is exported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610135532 CN100523856C (en) | 2006-10-18 | 2006-10-18 | Electronic component simulated fixture and power supply abnormity detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610135532 CN100523856C (en) | 2006-10-18 | 2006-10-18 | Electronic component simulated fixture and power supply abnormity detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101165508A CN101165508A (en) | 2008-04-23 |
| CN100523856C true CN100523856C (en) | 2009-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610135532 Expired - Fee Related CN100523856C (en) | 2006-10-18 | 2006-10-18 | Electronic component simulated fixture and power supply abnormity detection method |
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| Country | Link |
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| CN (1) | CN100523856C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085420A (en) * | 2018-09-18 | 2018-12-25 | 四川爱联科技有限公司 | Voltage monitoring system and monitoring method based on NB-IoT technology |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10585772B2 (en) | 2013-06-04 | 2020-03-10 | Trw Automotive U.S. Llc | Power supply diagnostic strategy |
| CN105452985B (en) * | 2013-07-30 | 2020-03-13 | Trw汽车美国有限责任公司 | Power supply diagnostic strategy |
| CN108897653A (en) * | 2018-07-06 | 2018-11-27 | 郑州云海信息技术有限公司 | A kind of server and its board |
-
2006
- 2006-10-18 CN CN 200610135532 patent/CN100523856C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085420A (en) * | 2018-09-18 | 2018-12-25 | 四川爱联科技有限公司 | Voltage monitoring system and monitoring method based on NB-IoT technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101165508A (en) | 2008-04-23 |
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